It should not be a problem, unless hardness and other mechanical properties are within the specified design ranges . Please read this following blog for general guidance.
Thanks.
P.Goswami.P.Eng, IWE.
Independent & Consulting Welding & Metallurgical Specialist
Linkedin: https://www.linkedin.com/in/pradip-goswami-2999855/
Email:pgoswami@rogers.com,pradip.goswami@gmail.com
Cell/Whasapp:1-905-9793232
From: materials-welding@googlegroups.com <materials-welding@googlegroups.com> On Behalf Of salim sogec
Sent: August 10, 2020 10:19 AM
To: materials-welding@googlegroups.com
Subject: [MW:31300] Change material grade of Nuts
Dear Gents
Can we use ASTM A194 Grde-7 nus instead of ASTM A194 Grade-4nuts.
Because ASTM A194 Grade-4 nuts removed by the ASTM committee because globally lack of material availability.
Please advise.
Salim
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